Annual report pursuant to Section 13 and 15(d)

Intangible Assets And Goodwill (Narrative) (Details)

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Intangible Assets And Goodwill (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2012
Acquired Indefinite-lived Intangible Assets [Line Items]          
Asset impairment $ 3,000us-gaap_AssetImpairmentCharges $ 0us-gaap_AssetImpairmentCharges $ 3,040us-gaap_AssetImpairmentCharges [1] $ 0us-gaap_AssetImpairmentCharges  
Goodwill, Acquired During Period   0us-gaap_GoodwillAcquiredDuringPeriod 0us-gaap_GoodwillAcquiredDuringPeriod    
Chasing Fireflies, LLC [Member]          
Acquired Indefinite-lived Intangible Assets [Line Items]          
Goodwill, Acquired During Period         $ 9,900us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_BusinessAcquisitionAxis
= hsni_ChasingFirefliesLlcMember
[1] (a) Results for the year ended December 31, 2013 include fair value adjustments of $3.6 million related to a contingent consideration liability and $3.0 million for the impairment of indefinite-lived intangible assets, both related to the 2012 acquisition of Chasing Fireflies, one of the Cornerstone brands